/*!
 * Cropper.js v1.5.6
 * https://fengyuanchen.github.io/cropperjs
 *
 * Copyright 2015-present Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2019-10-04T04:33:48.372Z
 */

'use strict';

function _typeof(obj) {
    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
        _typeof = function (obj) {
            return typeof obj;
        };
    } else {
        _typeof = function (obj) {
            return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
        };
    }

    return _typeof(obj);
}

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
    }
}

function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
    }
}

function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
}

function _defineProperty(obj, key, value) {
    if (key in obj) {
        Object.defineProperty(obj, key, {
            value: value,
            enumerable: true,
            configurable: true,
            writable: true
        });
    } else {
        obj[key] = value;
    }

    return obj;
}

function ownKeys(object, enumerableOnly) {
    var keys = Object.keys(object);

    if (Object.getOwnPropertySymbols) {
        var symbols = Object.getOwnPropertySymbols(object);
        if (enumerableOnly) symbols = symbols.filter(function (sym) {
            return Object.getOwnPropertyDescriptor(object, sym).enumerable;
        });
        keys.push.apply(keys, symbols);
    }

    return keys;
}

function _objectSpread2(target) {
    for (var i = 1; i < arguments.length; i++) {
        var source = arguments[i] != null ? arguments[i] : {};

        if (i % 2) {
            ownKeys(source, true).forEach(function (key) {
                _defineProperty(target, key, source[key]);
            });
        } else if (Object.getOwnPropertyDescriptors) {
            Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
        } else {
            ownKeys(source).forEach(function (key) {
                Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
            });
        }
    }

    return target;
}

function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
}

function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
        for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

        return arr2;
    }
}

function _iterableToArray(iter) {
    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
}

function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance");
}

var IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined';
var WINDOW = IS_BROWSER ? window : {};
var IS_TOUCH_DEVICE = IS_BROWSER ? 'ontouchstart' in WINDOW.document.documentElement : false;
var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false;
var NAMESPACE = 'cropper'; // Actions

var ACTION_ALL = 'all';
var ACTION_CROP = 'crop';
var ACTION_MOVE = 'move';
var ACTION_ZOOM = 'zoom';
var ACTION_EAST = 'e';
var ACTION_WEST = 'w';
var ACTION_SOUTH = 's';
var ACTION_NORTH = 'n';
var ACTION_NORTH_EAST = 'ne';
var ACTION_NORTH_WEST = 'nw';
var ACTION_SOUTH_EAST = 'se';
var ACTION_SOUTH_WEST = 'sw'; // Classes

var CLASS_CROP = "".concat(NAMESPACE, "-crop");
var CLASS_DISABLED = "".concat(NAMESPACE, "-disabled");
var CLASS_HIDDEN = "".concat(NAMESPACE, "-hidden");
var CLASS_HIDE = "".concat(NAMESPACE, "-hide");
var CLASS_INVISIBLE = "".concat(NAMESPACE, "-invisible");
var CLASS_MODAL = "".concat(NAMESPACE, "-modal");
var CLASS_MOVE = "".concat(NAMESPACE, "-move"); // Data keys

var DATA_ACTION = "".concat(NAMESPACE, "Action");
var DATA_PREVIEW = "".concat(NAMESPACE, "Preview"); // Drag modes

var DRAG_MODE_CROP = 'crop';
var DRAG_MODE_MOVE = 'move';
var DRAG_MODE_NONE = 'none'; // Events

var EVENT_CROP = 'crop';
var EVENT_CROP_END = 'cropend';
var EVENT_CROP_MOVE = 'cropmove';
var EVENT_CROP_START = 'cropstart';
var EVENT_DBLCLICK = 'dblclick';
var EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown';
var EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove';
var EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup';
var EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START;
var EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE;
var EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END;
var EVENT_READY = 'ready';
var EVENT_RESIZE = 'resize';
var EVENT_WHEEL = 'wheel';
var EVENT_ZOOM = 'zoom'; // Mime types

var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps

var REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/;
var REGEXP_DATA_URL = /^data:/;
var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
var REGEXP_TAG_NAME = /^img|canvas$/i; // Misc
// Inspired by the default width and height of a canvas element.

var MIN_CONTAINER_WIDTH = 200;
var MIN_CONTAINER_HEIGHT = 100;

var DEFAULTS = {
    // Define the view mode of the cropper
    viewMode: 0,
    // 0, 1, 2, 3
    // Define the dragging mode of the cropper
    dragMode: DRAG_MODE_CROP,
    // 'crop', 'move' or 'none'
    // Define the initial aspect ratio of the crop box
    initialAspectRatio: NaN,
    // Define the aspect ratio of the crop box
    aspectRatio: NaN,
    // An object with the previous cropping result data
    data: null,
    // A selector for adding extra containers to preview
    preview: '',
    // Re-render the cropper when resize the window
    responsive: true,
    // Restore the cropped area after resize the window
    restore: true,
    // Check if the current image is a cross-origin image
    checkCrossOrigin: true,
    // Check the current image's Exif Orientation information
    checkOrientation: true,
    // Show the black modal
    modal: true,
    // Show the dashed lines for guiding
    guides: true,
    // Show the center indicator for guiding
    center: true,
    // Show the white modal to highlight the crop box
    highlight: true,
    // Show the grid background
    background: true,
    // Enable to crop the image automatically when initialize
    autoCrop: true,
    // Define the percentage of automatic cropping area when initializes
    autoCropArea: 0.8,
    // Enable to move the image
    movable: true,
    // Enable to rotate the image
    rotatable: true,
    // Enable to scale the image
    scalable: true,
    // Enable to zoom the image
    zoomable: true,
    // Enable to zoom the image by dragging touch
    zoomOnTouch: true,
    // Enable to zoom the image by wheeling mouse
    zoomOnWheel: true,
    // Define zoom ratio when zoom the image by wheeling mouse
    wheelZoomRatio: 0.1,
    // Enable to move the crop box
    cropBoxMovable: true,
    // Enable to resize the crop box
    cropBoxResizable: true,
    // Toggle drag mode between "crop" and "move" when click twice on the cropper
    toggleDragModeOnDblclick: true,
    // Size limitation
    minCanvasWidth: 0,
    minCanvasHeight: 0,
    minCropBoxWidth: 0,
    minCropBoxHeight: 0,
    minContainerWidth: 200,
    minContainerHeight: 100,
    // Shortcuts of events
    ready: null,
    cropstart: null,
    cropmove: null,
    cropend: null,
    crop: null,
    zoom: null
};

var TEMPLATE = '<div class="cropper-container" touch-action="none">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-cropper-action="e"></span>' + '<span class="cropper-line line-n" data-cropper-action="n"></span>' + '<span class="cropper-line line-w" data-cropper-action="w"></span>' + '<span class="cropper-line line-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-e" data-cropper-action="e"></span>' + '<span class="cropper-point point-n" data-cropper-action="n"></span>' + '<span class="cropper-point point-w" data-cropper-action="w"></span>' + '<span class="cropper-point point-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-ne" data-cropper-action="ne"></span>' + '<span class="cropper-point point-nw" data-cropper-action="nw"></span>' + '<span class="cropper-point point-sw" data-cropper-action="sw"></span>' + '<span class="cropper-point point-se" data-cropper-action="se"></span>' + '</div>' + '</div>';

/**
 * Check if the given value is not a number.
 */

var isNaN = Number.isNaN || WINDOW.isNaN;

/**
 * Check if the given value is a number.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is a number, else `false`.
 */

function isNumber(value) {
    return typeof value === 'number' && !isNaN(value);
}

/**
 * Check if the given value is a positive number.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is a positive number, else `false`.
 */

var isPositiveNumber = function isPositiveNumber(value) {
    return value > 0 && value < Infinity;
};

/**
 * Check if the given value is undefined.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
 */

function isUndefined(value) {
    return typeof value === 'undefined';
}

/**
 * Check if the given value is an object.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is an object, else `false`.
 */

function isObject(value) {
    return _typeof(value) === 'object' && value !== null;
}

var hasOwnProperty = Object.prototype.hasOwnProperty;

/**
 * Check if the given value is a plain object.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
 */

function isPlainObject(value) {
    if (!isObject(value)) {
        return false;
    }

    try {
        var _constructor = value.constructor;
        var prototype = _constructor.prototype;
        return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
    } catch (error) {
        return false;
    }
}

/**
 * Check if the given value is a function.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is a function, else `false`.
 */

function isFunction(value) {
    return typeof value === 'function';
}

var slice = Array.prototype.slice;

/**
 * Convert array-like or iterable object to an array.
 * @param {*} value - The value to convert.
 * @returns {Array} Returns a new array.
 */

function toArray(value) {
    return Array.from ? Array.from(value) : slice.call(value);
}

/**
 * Iterate the given data.
 * @param {*} data - The data to iterate.
 * @param {Function} callback - The process function for each element.
 * @returns {*} The original data.
 */

function forEach(data, callback) {
    if (data && isFunction(callback)) {
        if (Array.isArray(data) || isNumber(data.length)
            /* array-like */
        ) {
            toArray(data).forEach(function (value, key) {
                callback.call(data, value, key, data);
            });
        } else if (isObject(data)) {
            Object.keys(data).forEach(function (key) {
                callback.call(data, data[key], key, data);
            });
        }
    }

    return data;
}

/**
 * Extend the given object.
 * @param {*} target - The target object to extend.
 * @param {*} args - The rest objects for merging to the target object.
 * @returns {Object} The extended object.
 */

var assign = Object.assign || function assign(target) {
    for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
    }

    if (isObject(target) && args.length > 0) {
        args.forEach(function (arg) {
            if (isObject(arg)) {
                Object.keys(arg).forEach(function (key) {
                    target[key] = arg[key];
                });
            }
        });
    }

    return target;
};
var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/;

/**
 * Normalize decimal number.
 * Check out {@link http://0.30000000000000004.com/}
 * @param {number} value - The value to normalize.
 * @param {number} [times=100000000000] - The times for normalizing.
 * @returns {number} Returns the normalized number.
 */

function normalizeDecimalNumber(value) {
    var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
    return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
}

var REGEXP_SUFFIX = /^width|height|left|top|marginLeft|marginTop$/;

/**
 * Apply styles to the given element.
 * @param {Element} element - The target element.
 * @param {Object} styles - The styles for applying.
 */

function setStyle(element, styles) {
    var style = element.style;
    forEach(styles, function (value, property) {
        if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
            value = "".concat(value, "px");
        }

        style[property] = value;
    });
}

/**
 * Check if the given element has a special class.
 * @param {Element} element - The element to check.
 * @param {string} value - The class to search.
 * @returns {boolean} Returns `true` if the special class was found.
 */

function hasClass(element, value) {
    return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
}

/**
 * Add classes to the given element.
 * @param {Element} element - The target element.
 * @param {string} value - The classes to be added.
 */

function addClass(element, value) {
    if (!value) {
        return;
    }

    if (isNumber(element.length)) {
        forEach(element, function (elem) {
            addClass(elem, value);
        });
        return;
    }

    if (element.classList) {
        element.classList.add(value);
        return;
    }

    var className = element.className.trim();

    if (!className) {
        element.className = value;
    } else if (className.indexOf(value) < 0) {
        element.className = "".concat(className, " ").concat(value);
    }
}

/**
 * Remove classes from the given element.
 * @param {Element} element - The target element.
 * @param {string} value - The classes to be removed.
 */

function removeClass(element, value) {
    if (!value) {
        return;
    }

    if (isNumber(element.length)) {
        forEach(element, function (elem) {
            removeClass(elem, value);
        });
        return;
    }

    if (element.classList) {
        element.classList.remove(value);
        return;
    }

    if (element.className.indexOf(value) >= 0) {
        element.className = element.className.replace(value, '');
    }
}

/**
 * Add or remove classes from the given element.
 * @param {Element} element - The target element.
 * @param {string} value - The classes to be toggled.
 * @param {boolean} added - Add only.
 */

function toggleClass(element, value, added) {
    if (!value) {
        return;
    }

    if (isNumber(element.length)) {
        forEach(element, function (elem) {
            toggleClass(elem, value, added);
        });
        return;
    } // IE10-11 doesn't support the second parameter of `classList.toggle`


    if (added) {
        addClass(element, value);
    } else {
        removeClass(element, value);
    }
}

var REGEXP_CAMEL_CASE = /([a-z\d])([A-Z])/g;

/**
 * Transform the given string from camelCase to kebab-case
 * @param {string} value - The value to transform.
 * @returns {string} The transformed value.
 */

function toParamCase(value) {
    return value.replace(REGEXP_CAMEL_CASE, '$1-$2').toLowerCase();
}

/**
 * Get data from the given element.
 * @param {Element} element - The target element.
 * @param {string} name - The data key to get.
 * @returns {string} The data value.
 */

function getData(element, name) {
    if (isObject(element[name])) {
        return element[name];
    }

    if (element.dataset) {
        return element.dataset[name];
    }

    return element.getAttribute("data-".concat(toParamCase(name)));
}

/**
 * Set data to the given element.
 * @param {Element} element - The target element.
 * @param {string} name - The data key to set.
 * @param {string} data - The data value.
 */

function setData(element, name, data) {
    if (isObject(data)) {
        element[name] = data;
    } else if (element.dataset) {
        element.dataset[name] = data;
    } else {
        element.setAttribute("data-".concat(toParamCase(name)), data);
    }
}

/**
 * Remove data from the given element.
 * @param {Element} element - The target element.
 * @param {string} name - The data key to remove.
 */

function removeData(element, name) {
    if (isObject(element[name])) {
        try {
            delete element[name];
        } catch (error) {
            element[name] = undefined;
        }
    } else if (element.dataset) {
        // #128 Safari not allows to delete dataset property
        try {
            delete element.dataset[name];
        } catch (error) {
            element.dataset[name] = undefined;
        }
    } else {
        element.removeAttribute("data-".concat(toParamCase(name)));
    }
}

var REGEXP_SPACES = /\s\s*/;

var onceSupported = function () {
    var supported = false;

    if (IS_BROWSER) {
        var once = false;

        var listener = function listener() {
        };

        var options = Object.defineProperty({}, 'once', {
            get: function get() {
                supported = true;
                return once;
            },

            /**
             * This setter can fix a `TypeError` in strict mode
             * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only}
             * @param {boolean} value - The value to set
             */
            set: function set(value) {
                once = value;
            }
        });
        WINDOW.addEventListener('test', listener, options);
        WINDOW.removeEventListener('test', listener, options);
    }

    return supported;
}();

/**
 * Remove event listener from the target element.
 * @param {Element} element - The event target.
 * @param {string} type - The event type(s).
 * @param {Function} listener - The event listener.
 * @param {Object} options - The event options.
 */


function removeListener(element, type, listener) {
    var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
    var handler = listener;
    type.trim().split(REGEXP_SPACES).forEach(function (event) {
        if (!onceSupported) {
            var listeners = element.listeners;

            if (listeners && listeners[event] && listeners[event][listener]) {
                handler = listeners[event][listener];
                delete listeners[event][listener];

                if (Object.keys(listeners[event]).length === 0) {
                    delete listeners[event];
                }

                if (Object.keys(listeners).length === 0) {
                    delete element.listeners;
                }
            }
        }

        element.removeEventListener(event, handler, options);
    });
}

/**
 * Add event listener to the target element.
 * @param {Element} element - The event target.
 * @param {string} type - The event type(s).
 * @param {Function} listener - The event listener.
 * @param {Object} options - The event options.
 */

function addListener(element, type, listener) {
    var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
    var _handler = listener;
    type.trim().split(REGEXP_SPACES).forEach(function (event) {
        if (options.once && !onceSupported) {
            var _element$listeners = element.listeners,
                listeners = _element$listeners === void 0 ? {} : _element$listeners;

            _handler = function handler() {
                delete listeners[event][listener];
                element.removeEventListener(event, _handler, options);

                for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
                    args[_key2] = arguments[_key2];
                }

                listener.apply(element, args);
            };

            if (!listeners[event]) {
                listeners[event] = {};
            }

            if (listeners[event][listener]) {
                element.removeEventListener(event, listeners[event][listener], options);
            }

            listeners[event][listener] = _handler;
            element.listeners = listeners;
        }

        element.addEventListener(event, _handler, options);
    });
}

/**
 * Dispatch event on the target element.
 * @param {Element} element - The event target.
 * @param {string} type - The event type(s).
 * @param {Object} data - The additional event data.
 * @returns {boolean} Indicate if the event is default prevented or not.
 */

function dispatchEvent(element, type, data) {
    var event; // Event and CustomEvent on IE9-11 are global objects, not constructors

    if (isFunction(Event) && isFunction(CustomEvent)) {
        event = new CustomEvent(type, {
            detail: data,
            bubbles: true,
            cancelable: true
        });
    } else {
        event = document.createEvent('CustomEvent');
        event.initCustomEvent(type, true, true, data);
    }

    return element.dispatchEvent(event);
}

/**
 * Get the offset base on the document.
 * @param {Element} element - The target element.
 * @returns {Object} The offset data.
 */

function getOffset(element) {
    var box = element.getBoundingClientRect();
    return {
        left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
        top: box.top + (window.pageYOffset - document.documentElement.clientTop)
    };
}

var location = WINDOW.location;
var REGEXP_ORIGINS = /^(\w+:)\/\/([^:/?#]*):?(\d*)/i;

/**
 * Check if the given URL is a cross origin URL.
 * @param {string} url - The target URL.
 * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
 */

function isCrossOriginURL(url) {
    var parts = url.match(REGEXP_ORIGINS);
    return parts !== null && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
}

/**
 * Add timestamp to the given URL.
 * @param {string} url - The target URL.
 * @returns {string} The result URL.
 */

function addTimestamp(url) {
    var timestamp = "timestamp=".concat(new Date().getTime());
    return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
}

/**
 * Get transforms base on the given object.
 * @param {Object} obj - The target object.
 * @returns {string} A string contains transform values.
 */

function getTransforms(_ref) {
    var rotate = _ref.rotate,
        scaleX = _ref.scaleX,
        scaleY = _ref.scaleY,
        translateX = _ref.translateX,
        translateY = _ref.translateY;
    var values = [];

    if (isNumber(translateX) && translateX !== 0) {
        values.push("translateX(".concat(translateX, "px)"));
    }

    if (isNumber(translateY) && translateY !== 0) {
        values.push("translateY(".concat(translateY, "px)"));
    } // Rotate should come first before scale to match orientation transform


    if (isNumber(rotate) && rotate !== 0) {
        values.push("rotate(".concat(rotate, "deg)"));
    }

    if (isNumber(scaleX) && scaleX !== 1) {
        values.push("scaleX(".concat(scaleX, ")"));
    }

    if (isNumber(scaleY) && scaleY !== 1) {
        values.push("scaleY(".concat(scaleY, ")"));
    }

    var transform = values.length ? values.join(' ') : 'none';
    return {
        WebkitTransform: transform,
        msTransform: transform,
        transform: transform
    };
}

/**
 * Get the max ratio of a group of pointers.
 * @param {string} pointers - The target pointers.
 * @returns {number} The result ratio.
 */

function getMaxZoomRatio(pointers) {
    var pointers2 = _objectSpread2({}, pointers);

    var ratios = [];
    forEach(pointers, function (pointer, pointerId) {
        delete pointers2[pointerId];
        forEach(pointers2, function (pointer2) {
            var x1 = Math.abs(pointer.startX - pointer2.startX);
            var y1 = Math.abs(pointer.startY - pointer2.startY);
            var x2 = Math.abs(pointer.endX - pointer2.endX);
            var y2 = Math.abs(pointer.endY - pointer2.endY);
            var z1 = Math.sqrt(x1 * x1 + y1 * y1);
            var z2 = Math.sqrt(x2 * x2 + y2 * y2);
            var ratio = (z2 - z1) / z1;
            ratios.push(ratio);
        });
    });
    ratios.sort(function (a, b) {
        return Math.abs(a) < Math.abs(b);
    });
    return ratios[0];
}

/**
 * Get a pointer from an event object.
 * @param {Object} event - The target event object.
 * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
 * @returns {Object} The result pointer contains start and/or end point coordinates.
 */

function getPointer(_ref2, endOnly) {
    var pageX = _ref2.pageX,
        pageY = _ref2.pageY;
    var end = {
        endX: pageX,
        endY: pageY
    };
    return endOnly ? end : _objectSpread2({
        startX: pageX,
        startY: pageY
    }, end);
}

/**
 * Get the center point coordinate of a group of pointers.
 * @param {Object} pointers - The target pointers.
 * @returns {Object} The center point coordinate.
 */

function getPointersCenter(pointers) {
    var pageX = 0;
    var pageY = 0;
    var count = 0;
    forEach(pointers, function (_ref3) {
        var startX = _ref3.startX,
            startY = _ref3.startY;
        pageX += startX;
        pageY += startY;
        count += 1;
    });
    pageX /= count;
    pageY /= count;
    return {
        pageX: pageX,
        pageY: pageY
    };
}

/**
 * Get the max sizes in a rectangle under the given aspect ratio.
 * @param {Object} data - The original sizes.
 * @param {string} [type='contain'] - The adjust type.
 * @returns {Object} The result sizes.
 */

function getAdjustedSizes(_ref4) // or 'cover'
{
    var aspectRatio = _ref4.aspectRatio,
        height = _ref4.height,
        width = _ref4.width;
    var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain';
    var isValidWidth = isPositiveNumber(width);
    var isValidHeight = isPositiveNumber(height);

    if (isValidWidth && isValidHeight) {
        var adjustedWidth = height * aspectRatio;

        if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {
            height = width / aspectRatio;
        } else {
            width = height * aspectRatio;
        }
    } else if (isValidWidth) {
        height = width / aspectRatio;
    } else if (isValidHeight) {
        width = height * aspectRatio;
    }

    return {
        width: width,
        height: height
    };
}

/**
 * Get the new sizes of a rectangle after rotated.
 * @param {Object} data - The original sizes.
 * @returns {Object} The result sizes.
 */

function getRotatedSizes(_ref5) {
    var width = _ref5.width,
        height = _ref5.height,
        degree = _ref5.degree;
    degree = Math.abs(degree) % 180;

    if (degree === 90) {
        return {
            width: height,
            height: width
        };
    }

    var arc = degree % 90 * Math.PI / 180;
    var sinArc = Math.sin(arc);
    var cosArc = Math.cos(arc);
    var newWidth = width * cosArc + height * sinArc;
    var newHeight = width * sinArc + height * cosArc;
    return degree > 90 ? {
        width: newHeight,
        height: newWidth
    } : {
        width: newWidth,
        height: newHeight
    };
}

/**
 * Get a canvas which drew the given image.
 * @param {HTMLImageElement} image - The image for drawing.
 * @param {Object} imageData - The image data.
 * @param {Object} canvasData - The canvas data.
 * @param {Object} options - The options.
 * @returns {HTMLCanvasElement} The result canvas.
 */

function getSourceCanvas(image, _ref6, _ref7, _ref8) {
    var imageAspectRatio = _ref6.aspectRatio,
        imageNaturalWidth = _ref6.naturalWidth,
        imageNaturalHeight = _ref6.naturalHeight,
        _ref6$rotate = _ref6.rotate,
        rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate,
        _ref6$scaleX = _ref6.scaleX,
        scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX,
        _ref6$scaleY = _ref6.scaleY,
        scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY;
    var aspectRatio = _ref7.aspectRatio,
        naturalWidth = _ref7.naturalWidth,
        naturalHeight = _ref7.naturalHeight;
    var _ref8$fillColor = _ref8.fillColor,
        fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor,
        _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
        imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE,
        _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
        imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ,
        _ref8$maxWidth = _ref8.maxWidth,
        maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth,
        _ref8$maxHeight = _ref8.maxHeight,
        maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight,
        _ref8$minWidth = _ref8.minWidth,
        minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth,
        _ref8$minHeight = _ref8.minHeight,
        minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight;
    var canvas = document.createElement('canvas');
    var context = canvas.getContext('2d');
    var maxSizes = getAdjustedSizes({
        aspectRatio: aspectRatio,
        width: maxWidth,
        height: maxHeight
    });
    var minSizes = getAdjustedSizes({
        aspectRatio: aspectRatio,
        width: minWidth,
        height: minHeight
    }, 'cover');
    var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
    var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight)); // Note: should always use image's natural sizes for drawing as
    // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90

    var destMaxSizes = getAdjustedSizes({
        aspectRatio: imageAspectRatio,
        width: maxWidth,
        height: maxHeight
    });
    var destMinSizes = getAdjustedSizes({
        aspectRatio: imageAspectRatio,
        width: minWidth,
        height: minHeight
    }, 'cover');
    var destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth));
    var destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight));
    var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];
    canvas.width = normalizeDecimalNumber(width);
    canvas.height = normalizeDecimalNumber(height);
    context.fillStyle = fillColor;
    context.fillRect(0, 0, width, height);
    context.save();
    context.translate(width / 2, height / 2);
    context.rotate(rotate * Math.PI / 180);
    context.scale(scaleX, scaleY);
    context.imageSmoothingEnabled = imageSmoothingEnabled;
    context.imageSmoothingQuality = imageSmoothingQuality;
    context.drawImage.apply(context, [image].concat(_toConsumableArray(params.map(function (param) {
        return Math.floor(normalizeDecimalNumber(param));
    }))));
    context.restore();
    return canvas;
}

var fromCharCode = String.fromCharCode;

/**
 * Get string from char code in data view.
 * @param {DataView} dataView - The data view for read.
 * @param {number} start - The start index.
 * @param {number} length - The read length.
 * @returns {string} The read result.
 */

function getStringFromCharCode(dataView, start, length) {
    var str = '';
    length += start;

    for (var i = start; i < length; i += 1) {
        str += fromCharCode(dataView.getUint8(i));
    }

    return str;
}

var REGEXP_DATA_URL_HEAD = /^data:.*,/;

/**
 * Transform Data URL to array buffer.
 * @param {string} dataURL - The Data URL to transform.
 * @returns {ArrayBuffer} The result array buffer.
 */

function dataURLToArrayBuffer(dataURL) {
    var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
    var binary = atob(base64);
    var arrayBuffer = new ArrayBuffer(binary.length);
    var uint8 = new Uint8Array(arrayBuffer);
    forEach(uint8, function (value, i) {
        uint8[i] = binary.charCodeAt(i);
    });
    return arrayBuffer;
}

/**
 * Transform array buffer to Data URL.
 * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
 * @param {string} mimeType - The mime type of the Data URL.
 * @returns {string} The result Data URL.
 */

function arrayBufferToDataURL(arrayBuffer, mimeType) {
    var chunks = []; // Chunk Typed Array for better performance (#435)

    var chunkSize = 8192;
    var uint8 = new Uint8Array(arrayBuffer);

    while (uint8.length > 0) {
        // XXX: Babel's `toConsumableArray` helper will throw error in IE or Safari 9
        // eslint-disable-next-line prefer-spread
        chunks.push(fromCharCode.apply(null, toArray(uint8.subarray(0, chunkSize))));
        uint8 = uint8.subarray(chunkSize);
    }

    return "data:".concat(mimeType, ";base64,").concat(btoa(chunks.join('')));
}

/**
 * Get orientation value from given array buffer.
 * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
 * @returns {number} The read orientation value.
 */

function resetAndGetOrientation(arrayBuffer) {
    var dataView = new DataView(arrayBuffer);
    var orientation; // Ignores range error when the image does not have correct Exif information

    try {
        var littleEndian;
        var app1Start;
        var ifdStart; // Only handle JPEG image (start by 0xFFD8)

        if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
            var length = dataView.byteLength;
            var offset = 2;

            while (offset + 1 < length) {
                if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
                    app1Start = offset;
                    break;
                }

                offset += 1;
            }
        }

        if (app1Start) {
            var exifIDCode = app1Start + 4;
            var tiffOffset = app1Start + 10;

            if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
                var endianness = dataView.getUint16(tiffOffset);
                littleEndian = endianness === 0x4949;

                if (littleEndian || endianness === 0x4D4D
                    /* bigEndian */
                ) {
                    if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
                        var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);

                        if (firstIFDOffset >= 0x00000008) {
                            ifdStart = tiffOffset + firstIFDOffset;
                        }
                    }
                }
            }
        }

        if (ifdStart) {
            var _length = dataView.getUint16(ifdStart, littleEndian);

            var _offset;

            var i;

            for (i = 0; i < _length; i += 1) {
                _offset = ifdStart + i * 12 + 2;

                if (dataView.getUint16(_offset, littleEndian) === 0x0112
                    /* Orientation */
                ) {
                    // 8 is the offset of the current tag's value
                    _offset += 8; // Get the original orientation value

                    orientation = dataView.getUint16(_offset, littleEndian); // Override the orientation with its default value

                    dataView.setUint16(_offset, 1, littleEndian);
                    break;
                }
            }
        }
    } catch (error) {
        orientation = 1;
    }

    return orientation;
}

/**
 * Parse Exif Orientation value.
 * @param {number} orientation - The orientation to parse.
 * @returns {Object} The parsed result.
 */

function parseOrientation(orientation) {
    var rotate = 0;
    var scaleX = 1;
    var scaleY = 1;

    switch (orientation) {
        // Flip horizontal
        case 2:
            scaleX = -1;
            break;
        // Rotate left 180°

        case 3:
            rotate = -180;
            break;
        // Flip vertical

        case 4:
            scaleY = -1;
            break;
        // Flip vertical and rotate right 90°

        case 5:
            rotate = 90;
            scaleY = -1;
            break;
        // Rotate right 90°

        case 6:
            rotate = 90;
            break;
        // Flip horizontal and rotate right 90°

        case 7:
            rotate = 90;
            scaleX = -1;
            break;
        // Rotate left 90°

        case 8:
            rotate = -90;
            break;

        default:
    }

    return {
        rotate: rotate,
        scaleX: scaleX,
        scaleY: scaleY
    };
}

var render = {
    render: function render() {
        this.initContainer();
        this.initCanvas();
        this.initCropBox();
        this.renderCanvas();

        if (this.cropped) {
            this.renderCropBox();
        }
    },
    initContainer: function initContainer() {
        var element = this.element,
            options = this.options,
            container = this.container,
            cropper = this.cropper;
        addClass(cropper, CLASS_HIDDEN);
        removeClass(element, CLASS_HIDDEN);
        var containerData = {
            width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200),
            height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100)
        };
        this.containerData = containerData;
        setStyle(cropper, {
            width: containerData.width,
            height: containerData.height
        });
        addClass(element, CLASS_HIDDEN);
        removeClass(cropper, CLASS_HIDDEN);
    },
    // Canvas (image wrapper)
    initCanvas: function initCanvas() {
        var containerData = this.containerData,
            imageData = this.imageData;
        var viewMode = this.options.viewMode;
        var rotated = Math.abs(imageData.rotate) % 180 === 90;
        var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
        var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
        var aspectRatio = naturalWidth / naturalHeight;
        var canvasWidth = containerData.width;
        var canvasHeight = containerData.height;

        if (containerData.height * aspectRatio > containerData.width) {
            if (viewMode === 3) {
                canvasWidth = containerData.height * aspectRatio;
            } else {
                canvasHeight = containerData.width / aspectRatio;
            }
        } else if (viewMode === 3) {
            canvasHeight = containerData.width / aspectRatio;
        } else {
            canvasWidth = containerData.height * aspectRatio;
        }

        var canvasData = {
            aspectRatio: aspectRatio,
            naturalWidth: naturalWidth,
            naturalHeight: naturalHeight,
            width: canvasWidth,
            height: canvasHeight
        };
        canvasData.left = (containerData.width - canvasWidth) / 2;
        canvasData.top = (containerData.height - canvasHeight) / 2;
        canvasData.oldLeft = canvasData.left;
        canvasData.oldTop = canvasData.top;
        this.canvasData = canvasData;
        this.limited = viewMode === 1 || viewMode === 2;
        this.limitCanvas(true, true);
        this.initialImageData = assign({}, imageData);
        this.initialCanvasData = assign({}, canvasData);
    },
    limitCanvas: function limitCanvas(sizeLimited, positionLimited) {
        var options = this.options,
            containerData = this.containerData,
            canvasData = this.canvasData,
            cropBoxData = this.cropBoxData;
        var viewMode = options.viewMode;
        var aspectRatio = canvasData.aspectRatio;
        var cropped = this.cropped && cropBoxData;

        if (sizeLimited) {
            var minCanvasWidth = Number(options.minCanvasWidth) || 0;
            var minCanvasHeight = Number(options.minCanvasHeight) || 0;

            if (viewMode > 1) {
                minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
                minCanvasHeight = Math.max(minCanvasHeight, containerData.height);

                if (viewMode === 3) {
                    if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                        minCanvasWidth = minCanvasHeight * aspectRatio;
                    } else {
                        minCanvasHeight = minCanvasWidth / aspectRatio;
                    }
                }
            } else if (viewMode > 0) {
                if (minCanvasWidth) {
                    minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
                } else if (minCanvasHeight) {
                    minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
                } else if (cropped) {
                    minCanvasWidth = cropBoxData.width;
                    minCanvasHeight = cropBoxData.height;

                    if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                        minCanvasWidth = minCanvasHeight * aspectRatio;
                    } else {
                        minCanvasHeight = minCanvasWidth / aspectRatio;
                    }
                }
            }

            var _getAdjustedSizes = getAdjustedSizes({
                aspectRatio: aspectRatio,
                width: minCanvasWidth,
                height: minCanvasHeight
            });

            minCanvasWidth = _getAdjustedSizes.width;
            minCanvasHeight = _getAdjustedSizes.height;
            canvasData.minWidth = minCanvasWidth;
            canvasData.minHeight = minCanvasHeight;
            canvasData.maxWidth = Infinity;
            canvasData.maxHeight = Infinity;
        }

        if (positionLimited) {
            if (viewMode > (cropped ? 0 : 1)) {
                var newCanvasLeft = containerData.width - canvasData.width;
                var newCanvasTop = containerData.height - canvasData.height;
                canvasData.minLeft = Math.min(0, newCanvasLeft);
                canvasData.minTop = Math.min(0, newCanvasTop);
                canvasData.maxLeft = Math.max(0, newCanvasLeft);
                canvasData.maxTop = Math.max(0, newCanvasTop);

                if (cropped && this.limited) {
                    canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
                    canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
                    canvasData.maxLeft = cropBoxData.left;
                    canvasData.maxTop = cropBoxData.top;

                    if (viewMode === 2) {
                        if (canvasData.width >= containerData.width) {
                            canvasData.minLeft = Math.min(0, newCanvasLeft);
                            canvasData.maxLeft = Math.max(0, newCanvasLeft);
                        }

                        if (canvasData.height >= containerData.height) {
                            canvasData.minTop = Math.min(0, newCanvasTop);
                            canvasData.maxTop = Math.max(0, newCanvasTop);
                        }
                    }
                }
            } else {
                canvasData.minLeft = -canvasData.width;
                canvasData.minTop = -canvasData.height;
                canvasData.maxLeft = containerData.width;
                canvasData.maxTop = containerData.height;
            }
        }
    },
    renderCanvas: function renderCanvas(changed, transformed) {
        var canvasData = this.canvasData,
            imageData = this.imageData;

        if (transformed) {
            var _getRotatedSizes = getRotatedSizes({
                    width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
                    height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
                    degree: imageData.rotate || 0
                }),
                naturalWidth = _getRotatedSizes.width,
                naturalHeight = _getRotatedSizes.height;

            var width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
            var height = canvasData.height * (naturalHeight / canvasData.naturalHeight);
            canvasData.left -= (width - canvasData.width) / 2;
            canvasData.top -= (height - canvasData.height) / 2;
            canvasData.width = width;
            canvasData.height = height;
            canvasData.aspectRatio = naturalWidth / naturalHeight;
            canvasData.naturalWidth = naturalWidth;
            canvasData.naturalHeight = naturalHeight;
            this.limitCanvas(true, false);
        }

        if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {
            canvasData.left = canvasData.oldLeft;
        }

        if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {
            canvasData.top = canvasData.oldTop;
        }

        canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
        canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);
        this.limitCanvas(false, true);
        canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);
        canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);
        canvasData.oldLeft = canvasData.left;
        canvasData.oldTop = canvasData.top;
        setStyle(this.canvas, assign({
            width: canvasData.width,
            height: canvasData.height
        }, getTransforms({
            translateX: canvasData.left,
            translateY: canvasData.top
        })));
        this.renderImage(changed);

        if (this.cropped && this.limited) {
            this.limitCropBox(true, true);
        }
    },
    renderImage: function renderImage(changed) {
        var canvasData = this.canvasData,
            imageData = this.imageData;
        var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
        var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
        assign(imageData, {
            width: width,
            height: height,
            left: (canvasData.width - width) / 2,
            top: (canvasData.height - height) / 2
        });
        setStyle(this.image, assign({
            width: imageData.width,
            height: imageData.height
        }, getTransforms(assign({
            translateX: imageData.left,
            translateY: imageData.top
        }, imageData))));

        if (changed) {
            this.output();
        }
    },
    initCropBox: function initCropBox() {
        var options = this.options,
            canvasData = this.canvasData;
        var aspectRatio = options.aspectRatio || options.initialAspectRatio;
        var autoCropArea = Number(options.autoCropArea) || 0.8;
        var cropBoxData = {
            width: canvasData.width,
            height: canvasData.height
        };

        if (aspectRatio) {
            if (canvasData.height * aspectRatio > canvasData.width) {
                cropBoxData.height = cropBoxData.width / aspectRatio;
            } else {
                cropBoxData.width = cropBoxData.height * aspectRatio;
            }
        }

        this.cropBoxData = cropBoxData;
        this.limitCropBox(true, true); // Initialize auto crop area

        cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
        cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); // The width/height of auto crop area must large than "minWidth/Height"

        cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);
        cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);
        cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;
        cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;
        cropBoxData.oldLeft = cropBoxData.left;
        cropBoxData.oldTop = cropBoxData.top;
        this.initialCropBoxData = assign({}, cropBoxData);
    },
    limitCropBox: function limitCropBox(sizeLimited, positionLimited) {
        var options = this.options,
            containerData = this.containerData,
            canvasData = this.canvasData,
            cropBoxData = this.cropBoxData,
            limited = this.limited;
        var aspectRatio = options.aspectRatio;

        if (sizeLimited) {
            var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
            var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
            var maxCropBoxWidth = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width;
            var maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : containerData.height; // The min/maxCropBoxWidth/Height must be less than container's width/height

            minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
            minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);

            if (aspectRatio) {
                if (minCropBoxWidth && minCropBoxHeight) {
                    if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
                        minCropBoxHeight = minCropBoxWidth / aspectRatio;
                    } else {
                        minCropBoxWidth = minCropBoxHeight * aspectRatio;
                    }
                } else if (minCropBoxWidth) {
                    minCropBoxHeight = minCropBoxWidth / aspectRatio;
                } else if (minCropBoxHeight) {
                    minCropBoxWidth = minCropBoxHeight * aspectRatio;
                }

                if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
                    maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
                } else {
                    maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
                }
            } // The minWidth/Height must be less than maxWidth/Height


            cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
            cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
            cropBoxData.maxWidth = maxCropBoxWidth;
            cropBoxData.maxHeight = maxCropBoxHeight;
        }

        if (positionLimited) {
            if (limited) {
                cropBoxData.minLeft = Math.max(0, canvasData.left);
                cropBoxData.minTop = Math.max(0, canvasData.top);
                cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;
                cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;
            } else {
                cropBoxData.minLeft = 0;
                cropBoxData.minTop = 0;
                cropBoxData.maxLeft = containerData.width - cropBoxData.width;
                cropBoxData.maxTop = containerData.height - cropBoxData.height;
            }
        }
    },
    renderCropBox: function renderCropBox() {
        var options = this.options,
            containerData = this.containerData,
            cropBoxData = this.cropBoxData;

        if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {
            cropBoxData.left = cropBoxData.oldLeft;
        }

        if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {
            cropBoxData.top = cropBoxData.oldTop;
        }

        cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
        cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
        this.limitCropBox(false, true);
        cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);
        cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);
        cropBoxData.oldLeft = cropBoxData.left;
        cropBoxData.oldTop = cropBoxData.top;

        if (options.movable && options.cropBoxMovable) {
            // Turn to move the canvas when the crop box is equal to the container
            setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
        }

        setStyle(this.cropBox, assign({
            width: cropBoxData.width,
            height: cropBoxData.height
        }, getTransforms({
            translateX: cropBoxData.left,
            translateY: cropBoxData.top
        })));

        if (this.cropped && this.limited) {
            this.limitCanvas(true, true);
        }

        if (!this.disabled) {
            this.output();
        }
    },
    output: function output() {
        this.preview();
        dispatchEvent(this.element, EVENT_CROP, this.getData());
    }
};

var preview = {
    initPreview: function initPreview() {
        var element = this.element,
            crossOrigin = this.crossOrigin;
        var preview = this.options.preview;
        var url = crossOrigin ? this.crossOriginUrl : this.url;
        var alt = element.alt || 'The image to preview';
        var image = document.createElement('img');

        if (crossOrigin) {
            image.crossOrigin = crossOrigin;
        }

        image.src = url;
        image.alt = alt;
        this.viewBox.appendChild(image);
        this.viewBoxImage = image;

        if (!preview) {
            return;
        }

        var previews = preview;

        if (typeof preview === 'string') {
            previews = element.ownerDocument.querySelectorAll(preview);
        } else if (preview.querySelector) {
            previews = [preview];
        }

        this.previews = previews;
        forEach(previews, function (el) {
            var img = document.createElement('img'); // Save the original size for recover

            setData(el, DATA_PREVIEW, {
                width: el.offsetWidth,
                height: el.offsetHeight,
                html: el.innerHTML
            });

            if (crossOrigin) {
                img.crossOrigin = crossOrigin;
            }

            img.src = url;
            img.alt = alt;
            /**
             * Override img element styles
             * Add `display:block` to avoid margin top issue
             * Add `height:auto` to override `height` attribute on IE8
             * (Occur only when margin-top <= -height)
             */

            img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
            el.innerHTML = '';
            el.appendChild(img);
        });
    },
    resetPreview: function resetPreview() {
        forEach(this.previews, function (element) {
            var data = getData(element, DATA_PREVIEW);
            setStyle(element, {
                width: data.width,
                height: data.height
            });
            element.innerHTML = data.html;
            removeData(element, DATA_PREVIEW);
        });
    },
    preview: function preview() {
        var imageData = this.imageData,
            canvasData = this.canvasData,
            cropBoxData = this.cropBoxData;
        var cropBoxWidth = cropBoxData.width,
            cropBoxHeight = cropBoxData.height;
        var width = imageData.width,
            height = imageData.height;
        var left = cropBoxData.left - canvasData.left - imageData.left;
        var top = cropBoxData.top - canvasData.top - imageData.top;

        if (!this.cropped || this.disabled) {
            return;
        }

        setStyle(this.viewBoxImage, assign({
            width: width,
            height: height
        }, getTransforms(assign({
            translateX: -left,
            translateY: -top
        }, imageData))));
        forEach(this.previews, function (element) {
            var data = getData(element, DATA_PREVIEW);
            var originalWidth = data.width;
            var originalHeight = data.height;
            var newWidth = originalWidth;
            var newHeight = originalHeight;
            var ratio = 1;

            if (cropBoxWidth) {
                ratio = originalWidth / cropBoxWidth;
                newHeight = cropBoxHeight * ratio;
            }

            if (cropBoxHeight && newHeight > originalHeight) {
                ratio = originalHeight / cropBoxHeight;
                newWidth = cropBoxWidth * ratio;
                newHeight = originalHeight;
            }

            setStyle(element, {
                width: newWidth,
                height: newHeight
            });
            setStyle(element.getElementsByTagName('img')[0], assign({
                width: width * ratio,
                height: height * ratio
            }, getTransforms(assign({
                translateX: -left * ratio,
                translateY: -top * ratio
            }, imageData))));
        });
    }
};

var events = {
    bind: function bind() {
        var element = this.element,
            options = this.options,
            cropper = this.cropper;

        if (isFunction(options.cropstart)) {
            addListener(element, EVENT_CROP_START, options.cropstart);
        }

        if (isFunction(options.cropmove)) {
            addListener(element, EVENT_CROP_MOVE, options.cropmove);
        }

        if (isFunction(options.cropend)) {
            addListener(element, EVENT_CROP_END, options.cropend);
        }

        if (isFunction(options.crop)) {
            addListener(element, EVENT_CROP, options.crop);
        }

        if (isFunction(options.zoom)) {
            addListener(element, EVENT_ZOOM, options.zoom);
        }

        addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this));

        if (options.zoomable && options.zoomOnWheel) {
            addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), {
                passive: false,
                capture: true
            });
        }

        if (options.toggleDragModeOnDblclick) {
            addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));
        }

        addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this));
        addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this));

        if (options.responsive) {
            addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this));
        }
    },
    unbind: function unbind() {
        var element = this.element,
            options = this.options,
            cropper = this.cropper;

        if (isFunction(options.cropstart)) {
            removeListener(element, EVENT_CROP_START, options.cropstart);
        }

        if (isFunction(options.cropmove)) {
            removeListener(element, EVENT_CROP_MOVE, options.cropmove);
        }

        if (isFunction(options.cropend)) {
            removeListener(element, EVENT_CROP_END, options.cropend);
        }

        if (isFunction(options.crop)) {
            removeListener(element, EVENT_CROP, options.crop);
        }

        if (isFunction(options.zoom)) {
            removeListener(element, EVENT_ZOOM, options.zoom);
        }

        removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);

        if (options.zoomable && options.zoomOnWheel) {
            removeListener(cropper, EVENT_WHEEL, this.onWheel, {
                passive: false,
                capture: true
            });
        }

        if (options.toggleDragModeOnDblclick) {
            removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);
        }

        removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);
        removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);

        if (options.responsive) {
            removeListener(window, EVENT_RESIZE, this.onResize);
        }
    }
};

var handlers = {
    resize: function resize() {
        var options = this.options,
            container = this.container,
            containerData = this.containerData;
        var minContainerWidth = Number(options.minContainerWidth) || MIN_CONTAINER_WIDTH;
        var minContainerHeight = Number(options.minContainerHeight) || MIN_CONTAINER_HEIGHT;

        if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) {
            return;
        }

        var ratio = container.offsetWidth / containerData.width; // Resize when width changed or height changed

        if (ratio !== 1 || container.offsetHeight !== containerData.height) {
            var canvasData;
            var cropBoxData;

            if (options.restore) {
                canvasData = this.getCanvasData();
                cropBoxData = this.getCropBoxData();
            }

            this.render();

            if (options.restore) {
                this.setCanvasData(forEach(canvasData, function (n, i) {
                    canvasData[i] = n * ratio;
                }));
                this.setCropBoxData(forEach(cropBoxData, function (n, i) {
                    cropBoxData[i] = n * ratio;
                }));
            }
        }
    },
    dblclick: function dblclick() {
        if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
            return;
        }

        this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
    },
    wheel: function wheel(event) {
        var _this = this;

        var ratio = Number(this.options.wheelZoomRatio) || 0.1;
        var delta = 1;

        if (this.disabled) {
            return;
        }

        event.preventDefault(); // Limit wheel speed to prevent zoom too fast (#21)

        if (this.wheeling) {
            return;
        }

        this.wheeling = true;
        setTimeout(function () {
            _this.wheeling = false;
        }, 50);

        if (event.deltaY) {
            delta = event.deltaY > 0 ? 1 : -1;
        } else if (event.wheelDelta) {
            delta = -event.wheelDelta / 120;
        } else if (event.detail) {
            delta = event.detail > 0 ? 1 : -1;
        }

        this.zoom(-delta * ratio, event);
    },
    cropStart: function cropStart(event) {
        var buttons = event.buttons,
            button = event.button;

        if (this.disabled // Handle mouse event and pointer event and ignore touch event
            || (event.type === 'mousedown' || event.type === 'pointerdown' && event.pointerType === 'mouse') && ( // No primary button (Usually the left button)
                isNumber(buttons) && buttons !== 1 || isNumber(button) && button !== 0 // Open context menu
                || event.ctrlKey)) {
            return;
        }

        var options = this.options,
            pointers = this.pointers;
        var action;

        if (event.changedTouches) {
            // Handle touch event
            forEach(event.changedTouches, function (touch) {
                pointers[touch.identifier] = getPointer(touch);
            });
        } else {
            // Handle mouse event and pointer event
            pointers[event.pointerId || 0] = getPointer(event);
        }

        if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
            action = ACTION_ZOOM;
        } else {
            action = getData(event.target, DATA_ACTION);
        }

        if (!REGEXP_ACTIONS.test(action)) {
            return;
        }

        if (dispatchEvent(this.element, EVENT_CROP_START, {
            originalEvent: event,
            action: action
        }) === false) {
            return;
        } // This line is required for preventing page zooming in iOS browsers


        event.preventDefault();
        this.action = action;
        this.cropping = false;

        if (action === ACTION_CROP) {
            this.cropping = true;
            addClass(this.dragBox, CLASS_MODAL);
        }
    },
    cropMove: function cropMove(event) {
        var action = this.action;

        if (this.disabled || !action) {
            return;
        }

        var pointers = this.pointers;
        event.preventDefault();

        if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
            originalEvent: event,
            action: action
        }) === false) {
            return;
        }

        if (event.changedTouches) {
            forEach(event.changedTouches, function (touch) {
                // The first parameter should not be undefined (#432)
                assign(pointers[touch.identifier] || {}, getPointer(touch, true));
            });
        } else {
            assign(pointers[event.pointerId || 0] || {}, getPointer(event, true));
        }

        this.change(event);
    },
    cropEnd: function cropEnd(event) {
        if (this.disabled) {
            return;
        }

        var action = this.action,
            pointers = this.pointers;

        if (event.changedTouches) {
            forEach(event.changedTouches, function (touch) {
                delete pointers[touch.identifier];
            });
        } else {
            delete pointers[event.pointerId || 0];
        }

        if (!action) {
            return;
        }

        event.preventDefault();

        if (!Object.keys(pointers).length) {
            this.action = '';
        }

        if (this.cropping) {
            this.cropping = false;
            toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);
        }

        dispatchEvent(this.element, EVENT_CROP_END, {
            originalEvent: event,
            action: action
        });
    }
};

var change = {
    change: function change(event) {
        var options = this.options,
            canvasData = this.canvasData,
            containerData = this.containerData,
            cropBoxData = this.cropBoxData,
            pointers = this.pointers;
        var action = this.action;
        var aspectRatio = options.aspectRatio;
        var left = cropBoxData.left,
            top = cropBoxData.top,
            width = cropBoxData.width,
            height = cropBoxData.height;
        var right = left + width;
        var bottom = top + height;
        var minLeft = 0;
        var minTop = 0;
        var maxWidth = containerData.width;
        var maxHeight = containerData.height;
        var renderable = true;
        var offset; // Locking aspect ratio in "free mode" by holding shift key

        if (!aspectRatio && event.shiftKey) {
            aspectRatio = width && height ? width / height : 1;
        }

        if (this.limited) {
            minLeft = cropBoxData.minLeft;
            minTop = cropBoxData.minTop;
            maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);
            maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);
        }

        var pointer = pointers[Object.keys(pointers)[0]];
        var range = {
            x: pointer.endX - pointer.startX,
            y: pointer.endY - pointer.startY
        };

        var check = function check(side) {
            switch (side) {
                case ACTION_EAST:
                    if (right + range.x > maxWidth) {
                        range.x = maxWidth - right;
                    }

                    break;

                case ACTION_WEST:
                    if (left + range.x < minLeft) {
                        range.x = minLeft - left;
                    }

                    break;

                case ACTION_NORTH:
                    if (top + range.y < minTop) {
                        range.y = minTop - top;
                    }

                    break;

                case ACTION_SOUTH:
                    if (bottom + range.y > maxHeight) {
                        range.y = maxHeight - bottom;
                    }

                    break;

                default:
            }
        };

        switch (action) {
            // Move crop box
            case ACTION_ALL:
                left += range.x;
                top += range.y;
                break;
            // Resize crop box

            case ACTION_EAST:
                if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                    renderable = false;
                    break;
                }

                check(ACTION_EAST);
                width += range.x;

                if (width < 0) {
                    action = ACTION_WEST;
                    width = -width;
                    left -= width;
                }

                if (aspectRatio) {
                    height = width / aspectRatio;
                    top += (cropBoxData.height - height) / 2;
                }

                break;

            case ACTION_NORTH:
                if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                    renderable = false;
                    break;
                }

                check(ACTION_NORTH);
                height -= range.y;
                top += range.y;

                if (height < 0) {
                    action = ACTION_SOUTH;
                    height = -height;
                    top -= height;
                }

                if (aspectRatio) {
                    width = height * aspectRatio;
                    left += (cropBoxData.width - width) / 2;
                }

                break;

            case ACTION_WEST:
                if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                    renderable = false;
                    break;
                }

                check(ACTION_WEST);
                width -= range.x;
                left += range.x;

                if (width < 0) {
                    action = ACTION_EAST;
                    width = -width;
                    left -= width;
                }

                if (aspectRatio) {
                    height = width / aspectRatio;
                    top += (cropBoxData.height - height) / 2;
                }

                break;

            case ACTION_SOUTH:
                if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                    renderable = false;
                    break;
                }

                check(ACTION_SOUTH);
                height += range.y;

                if (height < 0) {
                    action = ACTION_NORTH;
                    height = -height;
                    top -= height;
                }

                if (aspectRatio) {
                    width = height * aspectRatio;
                    left += (cropBoxData.width - width) / 2;
                }

                break;

            case ACTION_NORTH_EAST:
                if (aspectRatio) {
                    if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_NORTH);
                    height -= range.y;
                    top += range.y;
                    width = height * aspectRatio;
                } else {
                    check(ACTION_NORTH);
                    check(ACTION_EAST);

                    if (range.x >= 0) {
                        if (right < maxWidth) {
                            width += range.x;
                        } else if (range.y <= 0 && top <= minTop) {
                            renderable = false;
                        }
                    } else {
                        width += range.x;
                    }

                    if (range.y <= 0) {
                        if (top > minTop) {
                            height -= range.y;
                            top += range.y;
                        }
                    } else {
                        height -= range.y;
                        top += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_SOUTH_WEST;
                    height = -height;
                    width = -width;
                    top -= height;
                    left -= width;
                } else if (width < 0) {
                    action = ACTION_NORTH_WEST;
                    width = -width;
                    left -= width;
                } else if (height < 0) {
                    action = ACTION_SOUTH_EAST;
                    height = -height;
                    top -= height;
                }

                break;

            case ACTION_NORTH_WEST:
                if (aspectRatio) {
                    if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_NORTH);
                    height -= range.y;
                    top += range.y;
                    width = height * aspectRatio;
                    left += cropBoxData.width - width;
                } else {
                    check(ACTION_NORTH);
                    check(ACTION_WEST);

                    if (range.x <= 0) {
                        if (left > minLeft) {
                            width -= range.x;
                            left += range.x;
                        } else if (range.y <= 0 && top <= minTop) {
                            renderable = false;
                        }
                    } else {
                        width -= range.x;
                        left += range.x;
                    }

                    if (range.y <= 0) {
                        if (top > minTop) {
                            height -= range.y;
                            top += range.y;
                        }
                    } else {
                        height -= range.y;
                        top += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_SOUTH_EAST;
                    height = -height;
                    width = -width;
                    top -= height;
                    left -= width;
                } else if (width < 0) {
                    action = ACTION_NORTH_EAST;
                    width = -width;
                    left -= width;
                } else if (height < 0) {
                    action = ACTION_SOUTH_WEST;
                    height = -height;
                    top -= height;
                }

                break;

            case ACTION_SOUTH_WEST:
                if (aspectRatio) {
                    if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_WEST);
                    width -= range.x;
                    left += range.x;
                    height = width / aspectRatio;
                } else {
                    check(ACTION_SOUTH);
                    check(ACTION_WEST);

                    if (range.x <= 0) {
                        if (left > minLeft) {
                            width -= range.x;
                            left += range.x;
                        } else if (range.y >= 0 && bottom >= maxHeight) {
                            renderable = false;
                        }
                    } else {
                        width -= range.x;
                        left += range.x;
                    }

                    if (range.y >= 0) {
                        if (bottom < maxHeight) {
                            height += range.y;
                        }
                    } else {
                        height += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_NORTH_EAST;
                    height = -height;
                    width = -width;
                    top -= height;
                    left -= width;
                } else if (width < 0) {
                    action = ACTION_SOUTH_EAST;
                    width = -width;
                    left -= width;
                } else if (height < 0) {
                    action = ACTION_NORTH_WEST;
                    height = -height;
                    top -= height;
                }

                break;

            case ACTION_SOUTH_EAST:
                if (aspectRatio) {
                    if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_EAST);
                    width += range.x;
                    height = width / aspectRatio;
                } else {
                    check(ACTION_SOUTH);
                    check(ACTION_EAST);

                    if (range.x >= 0) {
                        if (right < maxWidth) {
                            width += range.x;
                        } else if (range.y >= 0 && bottom >= maxHeight) {
                            renderable = false;
                        }
                    } else {
                        width += range.x;
                    }

                    if (range.y >= 0) {
                        if (bottom < maxHeight) {
                            height += range.y;
                        }
                    } else {
                        height += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_NORTH_WEST;
                    height = -height;
                    width = -width;
                    top -= height;
                    left -= width;
                } else if (width < 0) {
                    action = ACTION_SOUTH_WEST;
                    width = -width;
                    left -= width;
                } else if (height < 0) {
                    action = ACTION_NORTH_EAST;
                    height = -height;
                    top -= height;
                }

                break;
            // Move canvas

            case ACTION_MOVE:
                this.move(range.x, range.y);
                renderable = false;
                break;
            // Zoom canvas

            case ACTION_ZOOM:
                this.zoom(getMaxZoomRatio(pointers), event);
                renderable = false;
                break;
            // Create crop box

            case ACTION_CROP:
                if (!range.x || !range.y) {
                    renderable = false;
                    break;
                }

                offset = getOffset(this.cropper);
                left = pointer.startX - offset.left;
                top = pointer.startY - offset.top;
                width = cropBoxData.minWidth;
                height = cropBoxData.minHeight;

                if (range.x > 0) {
                    action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
                } else if (range.x < 0) {
                    left -= width;
                    action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
                }

                if (range.y < 0) {
                    top -= height;
                } // Show the crop box if is hidden


                if (!this.cropped) {
                    removeClass(this.cropBox, CLASS_HIDDEN);
                    this.cropped = true;

                    if (this.limited) {
                        this.limitCropBox(true, true);
                    }
                }

                break;

            default:
        }

        if (renderable) {
            cropBoxData.width = width;
            cropBoxData.height = height;
            cropBoxData.left = left;
            cropBoxData.top = top;
            this.action = action;
            this.renderCropBox();
        } // Override


        forEach(pointers, function (p) {
            p.startX = p.endX;
            p.startY = p.endY;
        });
    }
};

var methods = {
    // Show the crop box manually
    crop: function crop() {
        if (this.ready && !this.cropped && !this.disabled) {
            this.cropped = true;
            this.limitCropBox(true, true);

            if (this.options.modal) {
                addClass(this.dragBox, CLASS_MODAL);
            }

            removeClass(this.cropBox, CLASS_HIDDEN);
            this.setCropBoxData(this.initialCropBoxData);
        }

        return this;
    },
    // Reset the image and crop box to their initial states
    reset: function reset() {
        if (this.ready && !this.disabled) {
            this.imageData = assign({}, this.initialImageData);
            this.canvasData = assign({}, this.initialCanvasData);
            this.cropBoxData = assign({}, this.initialCropBoxData);
            this.renderCanvas();

            if (this.cropped) {
                this.renderCropBox();
            }
        }

        return this;
    },
    // Clear the crop box
    clear: function clear() {
        if (this.cropped && !this.disabled) {
            assign(this.cropBoxData, {
                left: 0,
                top: 0,
                width: 0,
                height: 0
            });
            this.cropped = false;
            this.renderCropBox();
            this.limitCanvas(true, true); // Render canvas after crop box rendered

            this.renderCanvas();
            removeClass(this.dragBox, CLASS_MODAL);
            addClass(this.cropBox, CLASS_HIDDEN);
        }

        return this;
    },

    /**
     * Replace the image's src and rebuild the cropper
     * @param {string} url - The new URL.
     * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one.
     * @returns {Cropper} this
     */
    replace: function replace(url) {
        var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

        if (!this.disabled && url) {
            if (this.isImg) {
                this.element.src = url;
            }

            if (hasSameSize) {
                this.url = url;
                this.image.src = url;

                if (this.ready) {
                    this.viewBoxImage.src = url;
                    forEach(this.previews, function (element) {
                        element.getElementsByTagName('img')[0].src = url;
                    });
                }
            } else {
                if (this.isImg) {
                    this.replaced = true;
                }

                this.options.data = null;
                this.uncreate();
                this.load(url);
            }
        }

        return this;
    },
    // Enable (unfreeze) the cropper
    enable: function enable() {
        if (this.ready && this.disabled) {
            this.disabled = false;
            removeClass(this.cropper, CLASS_DISABLED);
        }

        return this;
    },
    // Disable (freeze) the cropper
    disable: function disable() {
        if (this.ready && !this.disabled) {
            this.disabled = true;
            addClass(this.cropper, CLASS_DISABLED);
        }

        return this;
    },

    /**
     * Destroy the cropper and remove the instance from the image
     * @returns {Cropper} this
     */
    destroy: function destroy() {
        var element = this.element;

        if (!element[NAMESPACE]) {
            return this;
        }

        element[NAMESPACE] = undefined;

        if (this.isImg && this.replaced) {
            element.src = this.originalUrl;
        }

        this.uncreate();
        return this;
    },

    /**
     * Move the canvas with relative offsets
     * @param {number} offsetX - The relative offset distance on the x-axis.
     * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis.
     * @returns {Cropper} this
     */
    move: function move(offsetX) {
        var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;
        var _this$canvasData = this.canvasData,
            left = _this$canvasData.left,
            top = _this$canvasData.top;
        return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
    },

    /**
     * Move the canvas to an absolute point
     * @param {number} x - The x-axis coordinate.
     * @param {number} [y=x] - The y-axis coordinate.
     * @returns {Cropper} this
     */
    moveTo: function moveTo(x) {
        var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
        var canvasData = this.canvasData;
        var changed = false;
        x = Number(x);
        y = Number(y);

        if (this.ready && !this.disabled && this.options.movable) {
            if (isNumber(x)) {
                canvasData.left = x;
                changed = true;
            }

            if (isNumber(y)) {
                canvasData.top = y;
                changed = true;
            }

            if (changed) {
                this.renderCanvas(true);
            }
        }

        return this;
    },

    /**
     * Zoom the canvas with a relative ratio
     * @param {number} ratio - The target ratio.
     * @param {Event} _originalEvent - The original event if any.
     * @returns {Cropper} this
     */
    zoom: function zoom(ratio, _originalEvent) {
        var canvasData = this.canvasData;
        ratio = Number(ratio);

        if (ratio < 0) {
            ratio = 1 / (1 - ratio);
        } else {
            ratio = 1 + ratio;
        }

        return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent);
    },

    /**
     * Zoom the canvas to an absolute ratio
     * @param {number} ratio - The target ratio.
     * @param {Object} pivot - The zoom pivot point coordinate.
     * @param {Event} _originalEvent - The original event if any.
     * @returns {Cropper} this
     */
    zoomTo: function zoomTo(ratio, pivot, _originalEvent) {
        var options = this.options,
            canvasData = this.canvasData;
        var width = canvasData.width,
            height = canvasData.height,
            naturalWidth = canvasData.naturalWidth,
            naturalHeight = canvasData.naturalHeight;
        ratio = Number(ratio);

        if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
            var newWidth = naturalWidth * ratio;
            var newHeight = naturalHeight * ratio;

            if (dispatchEvent(this.element, EVENT_ZOOM, {
                ratio: ratio,
                oldRatio: width / naturalWidth,
                originalEvent: _originalEvent
            }) === false) {
                return this;
            }

            if (_originalEvent) {
                var pointers = this.pointers;
                var offset = getOffset(this.cropper);
                var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
                    pageX: _originalEvent.pageX,
                    pageY: _originalEvent.pageY
                }; // Zoom from the triggering point of the event

                canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width);
                canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height);
            } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
                canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width);
                canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height);
            } else {
                // Zoom from the center of the canvas
                canvasData.left -= (newWidth - width) / 2;
                canvasData.top -= (newHeight - height) / 2;
            }

            canvasData.width = newWidth;
            canvasData.height = newHeight;
            this.renderCanvas(true);
        }

        return this;
    },

    /**
     * Rotate the canvas with a relative degree
     * @param {number} degree - The rotate degree.
     * @returns {Cropper} this
     */
    rotate: function rotate(degree) {
        return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
    },

    /**
     * Rotate the canvas to an absolute degree
     * @param {number} degree - The rotate degree.
     * @returns {Cropper} this
     */
    rotateTo: function rotateTo(degree) {
        degree = Number(degree);

        if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
            this.imageData.rotate = degree % 360;
            this.renderCanvas(true, true);
        }

        return this;
    },

    /**
     * Scale the image on the x-axis.
     * @param {number} scaleX - The scale ratio on the x-axis.
     * @returns {Cropper} this
     */
    scaleX: function scaleX(_scaleX) {
        var scaleY = this.imageData.scaleY;
        return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
    },

    /**
     * Scale the image on the y-axis.
     * @param {number} scaleY - The scale ratio on the y-axis.
     * @returns {Cropper} this
     */
    scaleY: function scaleY(_scaleY) {
        var scaleX = this.imageData.scaleX;
        return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
    },

    /**
     * Scale the image
     * @param {number} scaleX - The scale ratio on the x-axis.
     * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
     * @returns {Cropper} this
     */
    scale: function scale(scaleX) {
        var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
        var imageData = this.imageData;
        var transformed = false;
        scaleX = Number(scaleX);
        scaleY = Number(scaleY);

        if (this.ready && !this.disabled && this.options.scalable) {
            if (isNumber(scaleX)) {
                imageData.scaleX = scaleX;
                transformed = true;
            }

            if (isNumber(scaleY)) {
                imageData.scaleY = scaleY;
                transformed = true;
            }

            if (transformed) {
                this.renderCanvas(true, true);
            }
        }

        return this;
    },

    /**
     * Get the cropped area position and size data (base on the original image)
     * @param {boolean} [rounded=false] - Indicate if round the data values or not.
     * @returns {Object} The result cropped data.
     */
    getData: function getData() {
        var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
        var options = this.options,
            imageData = this.imageData,
            canvasData = this.canvasData,
            cropBoxData = this.cropBoxData;
        var data;

        if (this.ready && this.cropped) {
            data = {
                x: cropBoxData.left - canvasData.left,
                y: cropBoxData.top - canvasData.top,
                width: cropBoxData.width,
                height: cropBoxData.height
            };
            var ratio = imageData.width / imageData.naturalWidth;
            forEach(data, function (n, i) {
                data[i] = n / ratio;
            });

            if (rounded) {
                // In case rounding off leads to extra 1px in right or bottom border
                // we should round the top-left corner and the dimension (#343).
                var bottom = Math.round(data.y + data.height);
                var right = Math.round(data.x + data.width);
                data.x = Math.round(data.x);
                data.y = Math.round(data.y);
                data.width = right - data.x;
                data.height = bottom - data.y;
            }
        } else {
            data = {
                x: 0,
                y: 0,
                width: 0,
                height: 0
            };
        }

        if (options.rotatable) {
            data.rotate = imageData.rotate || 0;
        }

        if (options.scalable) {
            data.scaleX = imageData.scaleX || 1;
            data.scaleY = imageData.scaleY || 1;
        }

        return data;
    },

    /**
     * Set the cropped area position and size with new data
     * @param {Object} data - The new data.
     * @returns {Cropper} this
     */
    setData: function setData(data) {
        var options = this.options,
            imageData = this.imageData,
            canvasData = this.canvasData;
        var cropBoxData = {};

        if (this.ready && !this.disabled && isPlainObject(data)) {
            var transformed = false;

            if (options.rotatable) {
                if (isNumber(data.rotate) && data.rotate !== imageData.rotate) {
                    imageData.rotate = data.rotate;
                    transformed = true;
                }
            }

            if (options.scalable) {
                if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {
                    imageData.scaleX = data.scaleX;
                    transformed = true;
                }

                if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {
                    imageData.scaleY = data.scaleY;
                    transformed = true;
                }
            }

            if (transformed) {
                this.renderCanvas(true, true);
            }

            var ratio = imageData.width / imageData.naturalWidth;

            if (isNumber(data.x)) {
                cropBoxData.left = data.x * ratio + canvasData.left;
            }

            if (isNumber(data.y)) {
                cropBoxData.top = data.y * ratio + canvasData.top;
            }

            if (isNumber(data.width)) {
                cropBoxData.width = data.width * ratio;
            }

            if (isNumber(data.height)) {
                cropBoxData.height = data.height * ratio;
            }

            this.setCropBoxData(cropBoxData);
        }

        return this;
    },

    /**
     * Get the container size data.
     * @returns {Object} The result container data.
     */
    getContainerData: function getContainerData() {
        return this.ready ? assign({}, this.containerData) : {};
    },

    /**
     * Get the image position and size data.
     * @returns {Object} The result image data.
     */
    getImageData: function getImageData() {
        return this.sized ? assign({}, this.imageData) : {};
    },

    /**
     * Get the canvas position and size data.
     * @returns {Object} The result canvas data.
     */
    getCanvasData: function getCanvasData() {
        var canvasData = this.canvasData;
        var data = {};

        if (this.ready) {
            forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {
                data[n] = canvasData[n];
            });
        }

        return data;
    },

    /**
     * Set the canvas position and size with new data.
     * @param {Object} data - The new canvas data.
     * @returns {Cropper} this
     */
    setCanvasData: function setCanvasData(data) {
        var canvasData = this.canvasData;
        var aspectRatio = canvasData.aspectRatio;

        if (this.ready && !this.disabled && isPlainObject(data)) {
            if (isNumber(data.left)) {
                canvasData.left = data.left;
            }

            if (isNumber(data.top)) {
                canvasData.top = data.top;
            }

            if (isNumber(data.width)) {
                canvasData.width = data.width;
                canvasData.height = data.width / aspectRatio;
            } else if (isNumber(data.height)) {
                canvasData.height = data.height;
                canvasData.width = data.height * aspectRatio;
            }

            this.renderCanvas(true);
        }

        return this;
    },

    /**
     * Get the crop box position and size data.
     * @returns {Object} The result crop box data.
     */
    getCropBoxData: function getCropBoxData() {
        var cropBoxData = this.cropBoxData;
        var data;

        if (this.ready && this.cropped) {
            data = {
                left: cropBoxData.left,
                top: cropBoxData.top,
                width: cropBoxData.width,
                height: cropBoxData.height
            };
        }

        return data || {};
    },

    /**
     * Set the crop box position and size with new data.
     * @param {Object} data - The new crop box data.
     * @returns {Cropper} this
     */
    setCropBoxData: function setCropBoxData(data) {
        var cropBoxData = this.cropBoxData;
        var aspectRatio = this.options.aspectRatio;
        var widthChanged;
        var heightChanged;

        if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
            if (isNumber(data.left)) {
                cropBoxData.left = data.left;
            }

            if (isNumber(data.top)) {
                cropBoxData.top = data.top;
            }

            if (isNumber(data.width) && data.width !== cropBoxData.width) {
                widthChanged = true;
                cropBoxData.width = data.width;
            }

            if (isNumber(data.height) && data.height !== cropBoxData.height) {
                heightChanged = true;
                cropBoxData.height = data.height;
            }

            if (aspectRatio) {
                if (widthChanged) {
                    cropBoxData.height = cropBoxData.width / aspectRatio;
                } else if (heightChanged) {
                    cropBoxData.width = cropBoxData.height * aspectRatio;
                }
            }

            this.renderCropBox();
        }

        return this;
    },

    /**
     * Get a canvas drawn the cropped image.
     * @param {Object} [options={}] - The config options.
     * @returns {HTMLCanvasElement} - The result canvas.
     */
    getCroppedCanvas: function getCroppedCanvas() {
        var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

        if (!this.ready || !window.HTMLCanvasElement) {
            return null;
        }

        var canvasData = this.canvasData;
        var source = getSourceCanvas(this.image, this.imageData, canvasData, options); // Returns the source canvas if it is not cropped.

        if (!this.cropped) {
            return source;
        }

        var _this$getData = this.getData(),
            initialX = _this$getData.x,
            initialY = _this$getData.y,
            initialWidth = _this$getData.width,
            initialHeight = _this$getData.height;

        var ratio = source.width / Math.floor(canvasData.naturalWidth);

        if (ratio !== 1) {
            initialX *= ratio;
            initialY *= ratio;
            initialWidth *= ratio;
            initialHeight *= ratio;
        }

        var aspectRatio = initialWidth / initialHeight;
        var maxSizes = getAdjustedSizes({
            aspectRatio: aspectRatio,
            width: options.maxWidth || Infinity,
            height: options.maxHeight || Infinity
        });
        var minSizes = getAdjustedSizes({
            aspectRatio: aspectRatio,
            width: options.minWidth || 0,
            height: options.minHeight || 0
        }, 'cover');

        var _getAdjustedSizes = getAdjustedSizes({
                aspectRatio: aspectRatio,
                width: options.width || (ratio !== 1 ? source.width : initialWidth),
                height: options.height || (ratio !== 1 ? source.height : initialHeight)
            }),
            width = _getAdjustedSizes.width,
            height = _getAdjustedSizes.height;

        width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
        height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
        var canvas = document.createElement('canvas');
        var context = canvas.getContext('2d');
        canvas.width = normalizeDecimalNumber(width);
        canvas.height = normalizeDecimalNumber(height);
        context.fillStyle = options.fillColor || 'transparent';
        context.fillRect(0, 0, width, height);
        var _options$imageSmoothi = options.imageSmoothingEnabled,
            imageSmoothingEnabled = _options$imageSmoothi === void 0 ? true : _options$imageSmoothi,
            imageSmoothingQuality = options.imageSmoothingQuality;
        context.imageSmoothingEnabled = imageSmoothingEnabled;

        if (imageSmoothingQuality) {
            context.imageSmoothingQuality = imageSmoothingQuality;
        } // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage


        var sourceWidth = source.width;
        var sourceHeight = source.height; // Source canvas parameters

        var srcX = initialX;
        var srcY = initialY;
        var srcWidth;
        var srcHeight; // Destination canvas parameters

        var dstX;
        var dstY;
        var dstWidth;
        var dstHeight;

        if (srcX <= -initialWidth || srcX > sourceWidth) {
            srcX = 0;
            srcWidth = 0;
            dstX = 0;
            dstWidth = 0;
        } else if (srcX <= 0) {
            dstX = -srcX;
            srcX = 0;
            srcWidth = Math.min(sourceWidth, initialWidth + srcX);
            dstWidth = srcWidth;
        } else if (srcX <= sourceWidth) {
            dstX = 0;
            srcWidth = Math.min(initialWidth, sourceWidth - srcX);
            dstWidth = srcWidth;
        }

        if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
            srcY = 0;
            srcHeight = 0;
            dstY = 0;
            dstHeight = 0;
        } else if (srcY <= 0) {
            dstY = -srcY;
            srcY = 0;
            srcHeight = Math.min(sourceHeight, initialHeight + srcY);
            dstHeight = srcHeight;
        } else if (srcY <= sourceHeight) {
            dstY = 0;
            srcHeight = Math.min(initialHeight, sourceHeight - srcY);
            dstHeight = srcHeight;
        }

        var params = [srcX, srcY, srcWidth, srcHeight]; // Avoid "IndexSizeError"

        if (dstWidth > 0 && dstHeight > 0) {
            var scale = width / initialWidth;
            params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
        } // All the numerical parameters should be integer for `drawImage`
        // https://github.com/fengyuanchen/cropper/issues/476


        context.drawImage.apply(context, [source].concat(_toConsumableArray(params.map(function (param) {
            return Math.floor(normalizeDecimalNumber(param));
        }))));
        return canvas;
    },

    /**
     * Change the aspect ratio of the crop box.
     * @param {number} aspectRatio - The new aspect ratio.
     * @returns {Cropper} this
     */
    setAspectRatio: function setAspectRatio(aspectRatio) {
        var options = this.options;

        if (!this.disabled && !isUndefined(aspectRatio)) {
            // 0 -> NaN
            options.aspectRatio = Math.max(0, aspectRatio) || NaN;

            if (this.ready) {
                this.initCropBox();

                if (this.cropped) {
                    this.renderCropBox();
                }
            }
        }

        return this;
    },

    /**
     * Change the drag mode.
     * @param {string} mode - The new drag mode.
     * @returns {Cropper} this
     */
    setDragMode: function setDragMode(mode) {
        var options = this.options,
            dragBox = this.dragBox,
            face = this.face;

        if (this.ready && !this.disabled) {
            var croppable = mode === DRAG_MODE_CROP;
            var movable = options.movable && mode === DRAG_MODE_MOVE;
            mode = croppable || movable ? mode : DRAG_MODE_NONE;
            options.dragMode = mode;
            setData(dragBox, DATA_ACTION, mode);
            toggleClass(dragBox, CLASS_CROP, croppable);
            toggleClass(dragBox, CLASS_MOVE, movable);

            if (!options.cropBoxMovable) {
                // Sync drag mode to crop box when it is not movable
                setData(face, DATA_ACTION, mode);
                toggleClass(face, CLASS_CROP, croppable);
                toggleClass(face, CLASS_MOVE, movable);
            }
        }

        return this;
    }
};

var AnotherCropper = WINDOW.Cropper;

var Cropper =
    /*#__PURE__*/
    function () {
        /**
         * Create a new Cropper.
         * @param {Element} element - The target element for cropping.
         * @param {Object} [options={}] - The configuration options.
         */
        function Cropper(element) {
            var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

            _classCallCheck(this, Cropper);

            if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
                throw new Error('The first argument is required and must be an <img> or <canvas> element.');
            }

            this.element = element;
            this.options = assign({}, DEFAULTS, isPlainObject(options) && options);
            this.cropped = false;
            this.disabled = false;
            this.pointers = {};
            this.ready = false;
            this.reloading = false;
            this.replaced = false;
            this.sized = false;
            this.sizing = false;
            this.init();
        }

        _createClass(Cropper, [{
            key: "init",
            value: function init() {
                var element = this.element;
                var tagName = element.tagName.toLowerCase();
                var url;

                if (element[NAMESPACE]) {
                    return;
                }

                element[NAMESPACE] = this;

                if (tagName === 'img') {
                    this.isImg = true; // e.g.: "img/picture.jpg"

                    url = element.getAttribute('src') || '';
                    this.originalUrl = url; // Stop when it's a blank image

                    if (!url) {
                        return;
                    } // e.g.: "http://example.com/img/picture.jpg"


                    url = element.src;
                } else if (tagName === 'canvas' && window.HTMLCanvasElement) {
                    url = element.toDataURL();
                }

                this.load(url);
            }
        }, {
            key: "load",
            value: function load(url) {
                var _this = this;

                if (!url) {
                    return;
                }

                this.url = url;
                this.imageData = {};
                var element = this.element,
                    options = this.options;

                if (!options.rotatable && !options.scalable) {
                    options.checkOrientation = false;
                } // Only IE10+ supports Typed Arrays


                if (!options.checkOrientation || !window.ArrayBuffer) {
                    this.clone();
                    return;
                } // Detect the mime type of the image directly if it is a Data URL


                if (REGEXP_DATA_URL.test(url)) {
                    // Read ArrayBuffer from Data URL of JPEG images directly for better performance
                    if (REGEXP_DATA_URL_JPEG.test(url)) {
                        this.read(dataURLToArrayBuffer(url));
                    } else {
                        // Only a JPEG image may contains Exif Orientation information,
                        // the rest types of Data URLs are not necessary to check orientation at all.
                        this.clone();
                    }

                    return;
                } // 1. Detect the mime type of the image by a XMLHttpRequest.
                // 2. Load the image as ArrayBuffer for reading orientation if its a JPEG image.


                var xhr = new XMLHttpRequest();
                var clone = this.clone.bind(this);
                this.reloading = true;
                this.xhr = xhr; // 1. Cross origin requests are only supported for protocol schemes:
                // http, https, data, chrome, chrome-extension.
                // 2. Access to XMLHttpRequest from a Data URL will be blocked by CORS policy
                // in some browsers as IE11 and Safari.

                xhr.onabort = clone;
                xhr.onerror = clone;
                xhr.ontimeout = clone;

                xhr.onprogress = function () {
                    // Abort the request directly if it not a JPEG image for better performance
                    if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) {
                        xhr.abort();
                    }
                };

                xhr.onload = function () {
                    _this.read(xhr.response);
                };

                xhr.onloadend = function () {
                    _this.reloading = false;
                    _this.xhr = null;
                }; // Bust cache when there is a "crossOrigin" property to avoid browser cache error


                if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) {
                    url = addTimestamp(url);
                }

                xhr.open('GET', url);
                xhr.responseType = 'arraybuffer';
                xhr.withCredentials = element.crossOrigin === 'use-credentials';
                xhr.send();
            }
        }, {
            key: "read",
            value: function read(arrayBuffer) {
                var options = this.options,
                    imageData = this.imageData; // Reset the orientation value to its default value 1
                // as some iOS browsers will render image with its orientation

                var orientation = resetAndGetOrientation(arrayBuffer);
                var rotate = 0;
                var scaleX = 1;
                var scaleY = 1;

                if (orientation > 1) {
                    // Generate a new URL which has the default orientation value
                    this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG);

                    var _parseOrientation = parseOrientation(orientation);

                    rotate = _parseOrientation.rotate;
                    scaleX = _parseOrientation.scaleX;
                    scaleY = _parseOrientation.scaleY;
                }

                if (options.rotatable) {
                    imageData.rotate = rotate;
                }

                if (options.scalable) {
                    imageData.scaleX = scaleX;
                    imageData.scaleY = scaleY;
                }

                this.clone();
            }
        }, {
            key: "clone",
            value: function clone() {
                var element = this.element,
                    url = this.url;
                var crossOrigin = element.crossOrigin;
                var crossOriginUrl = url;

                if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {
                    if (!crossOrigin) {
                        crossOrigin = 'anonymous';
                    } // Bust cache when there is not a "crossOrigin" property (#519)


                    crossOriginUrl = addTimestamp(url);
                }

                this.crossOrigin = crossOrigin;
                this.crossOriginUrl = crossOriginUrl;
                var image = document.createElement('img');

                if (crossOrigin) {
                    image.crossOrigin = crossOrigin;
                }

                image.src = crossOriginUrl || url;
                image.alt = element.alt || 'The image to crop';
                this.image = image;
                image.onload = this.start.bind(this);
                image.onerror = this.stop.bind(this);
                addClass(image, CLASS_HIDE);
                element.parentNode.insertBefore(image, element.nextSibling);
            }
        }, {
            key: "start",
            value: function start() {
                var _this2 = this;

                var image = this.image;
                image.onload = null;
                image.onerror = null;
                this.sizing = true; // Match all browsers that use WebKit as the layout engine in iOS devices,
                // such as Safari for iOS, Chrome for iOS, and in-app browsers.

                var isIOSWebKit = WINDOW.navigator && /(?:iPad|iPhone|iPod).*?AppleWebKit/i.test(WINDOW.navigator.userAgent);

                var done = function done(naturalWidth, naturalHeight) {
                    assign(_this2.imageData, {
                        naturalWidth: naturalWidth,
                        naturalHeight: naturalHeight,
                        aspectRatio: naturalWidth / naturalHeight
                    });
                    _this2.sizing = false;
                    _this2.sized = true;

                    _this2.build();
                }; // Most modern browsers (excepts iOS WebKit)


                if (image.naturalWidth && !isIOSWebKit) {
                    done(image.naturalWidth, image.naturalHeight);
                    return;
                }

                var sizingImage = document.createElement('img');
                var body = document.body || document.documentElement;
                this.sizingImage = sizingImage;

                sizingImage.onload = function () {
                    done(sizingImage.width, sizingImage.height);

                    if (!isIOSWebKit) {
                        body.removeChild(sizingImage);
                    }
                };

                sizingImage.src = image.src; // iOS WebKit will convert the image automatically
                // with its orientation once append it into DOM (#279)

                if (!isIOSWebKit) {
                    sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;';
                    body.appendChild(sizingImage);
                }
            }
        }, {
            key: "stop",
            value: function stop() {
                var image = this.image;
                image.onload = null;
                image.onerror = null;
                image.parentNode.removeChild(image);
                this.image = null;
            }
        }, {
            key: "build",
            value: function build() {
                if (!this.sized || this.ready) {
                    return;
                }

                var element = this.element,
                    options = this.options,
                    image = this.image; // Create cropper elements

                var container = element.parentNode;
                var template = document.createElement('div');
                template.innerHTML = TEMPLATE;
                var cropper = template.querySelector(".".concat(NAMESPACE, "-container"));
                var canvas = cropper.querySelector(".".concat(NAMESPACE, "-canvas"));
                var dragBox = cropper.querySelector(".".concat(NAMESPACE, "-drag-box"));
                var cropBox = cropper.querySelector(".".concat(NAMESPACE, "-crop-box"));
                var face = cropBox.querySelector(".".concat(NAMESPACE, "-face"));
                this.container = container;
                this.cropper = cropper;
                this.canvas = canvas;
                this.dragBox = dragBox;
                this.cropBox = cropBox;
                this.viewBox = cropper.querySelector(".".concat(NAMESPACE, "-view-box"));
                this.face = face;
                canvas.appendChild(image); // Hide the original image

                addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image

                container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden

                if (!this.isImg) {
                    removeClass(image, CLASS_HIDE);
                }

                this.initPreview();
                this.bind();
                options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN;
                options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
                options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
                addClass(cropBox, CLASS_HIDDEN);

                if (!options.guides) {
                    addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-dashed")), CLASS_HIDDEN);
                }

                if (!options.center) {
                    addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-center")), CLASS_HIDDEN);
                }

                if (options.background) {
                    addClass(cropper, "".concat(NAMESPACE, "-bg"));
                }

                if (!options.highlight) {
                    addClass(face, CLASS_INVISIBLE);
                }

                if (options.cropBoxMovable) {
                    addClass(face, CLASS_MOVE);
                    setData(face, DATA_ACTION, ACTION_ALL);
                }

                if (!options.cropBoxResizable) {
                    addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-line")), CLASS_HIDDEN);
                    addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-point")), CLASS_HIDDEN);
                }

                this.render();
                this.ready = true;
                this.setDragMode(options.dragMode);

                if (options.autoCrop) {
                    this.crop();
                }

                this.setData(options.data);

                if (isFunction(options.ready)) {
                    addListener(element, EVENT_READY, options.ready, {
                        once: true
                    });
                }

                dispatchEvent(element, EVENT_READY);
            }
        }, {
            key: "unbuild",
            value: function unbuild() {
                if (!this.ready) {
                    return;
                }

                this.ready = false;
                this.unbind();
                this.resetPreview();
                this.cropper.parentNode.removeChild(this.cropper);
                removeClass(this.element, CLASS_HIDDEN);
            }
        }, {
            key: "uncreate",
            value: function uncreate() {
                if (this.ready) {
                    this.unbuild();
                    this.ready = false;
                    this.cropped = false;
                } else if (this.sizing) {
                    this.sizingImage.onload = null;
                    this.sizing = false;
                    this.sized = false;
                } else if (this.reloading) {
                    this.xhr.onabort = null;
                    this.xhr.abort();
                } else if (this.image) {
                    this.stop();
                }
            }
            /**
             * Get the no conflict cropper class.
             * @returns {Cropper} The cropper class.
             */

        }], [{
            key: "noConflict",
            value: function noConflict() {
                window.Cropper = AnotherCropper;
                return Cropper;
            }
            /**
             * Change the default options.
             * @param {Object} options - The new default options.
             */

        }, {
            key: "setDefaults",
            value: function setDefaults(options) {
                assign(DEFAULTS, isPlainObject(options) && options);
            }
        }]);

        return Cropper;
    }();

assign(Cropper.prototype, render, preview, events, handlers, change, methods);

module.exports = Cropper;
